55441863 has 12 divisors (see below), whose sum is σ = 81396328. Its totient is φ = 36354960.

The previous prime is 55441853. The next prime is 55441871. The reversal of 55441863 is 36814455.

It is a happy number.

55441863 is a `hidden beast` number, since 554 + 41 + 8 + 63 = 666.

It is not a de Polignac number, because 55441863 - 2⁴ = 55441847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55441843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49945 + ... + 51042.

Almost surely, 2^55441863 is an apocalyptic number.

55441863 is a deficient number, since it is larger than the sum of its proper divisors (25954465).

55441863 is a wasteful number, since it uses less digits than its factorization.

55441863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101054 (or 101051 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 55441863 is about 7445.9292905587. The cubic root of 55441863 is about 381.3109454482.

The spelling of 55441863 in words is "fifty-five million, four hundred forty-one thousand, eight hundred sixty-three".